package com.demo.service;

import com.demo.model.Product;
import com.demo.model.User2;

import java.util.List;


public interface User2Service {

    int save(User2 user2);

    User2 getUser2ById(Integer id);

    Integer updateUser2(User2 user2);

    Integer deleteUser2(int id);

    List<User2> getUser2s(String username);
}
